A b r organics limited [abrol] founded in 1991 is the manufacturer of different types of polyimide resins. Abron pr100 [ws] is resol type of phenol-formaldehyde resin specifically developed for the use in ablative applications. This grade of phenolics resin is highly suitable for prepreging of carbon fabric, which finds application in ablative liners for space, aerospace and defense applications. Specifications of abron pr 100 [ws] are as follows:
Type of resin - resol type phenol formaldehyde
Specific gravity - 1.12 - 1.16
Viscosity- 300c, cp 100 - 150
Point of trouble, cc 6 - 12
Volatile content, % 32 - 38
Solid content, % 60 - 65
Solvent ethanol
